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1983年冬季,中国太阳能学会和北京市宣武区少年科技馆利用寒假为中学生举办了一期《太阳能科普讲座》,受到同学们的欢
In the winter of 1983, China Solar Energy Society and Beijing Youth Science and Technology Museum of Xuanwu District used winter vacation as a popular science lecture for middle school students, benefiting classmates